fontanelle or fontanel /fon-tə-nelˈ/

1. A membrane-covered gap between the immature parietal bones in the skull of a fetus or infant
2. An opening for discharge (medicine)

• opera bouffe
• opera buffa
• opera cloak
• opera cloaks
• opera-dancer
• opera-dancers
• plaquette
• plaquettes
• plash
• plashed
• plashes
• plashet
• plashets
• plashier
• plashiest
• plashing
• plashings
• plashy
• plasm
• plasma
• plasma cell
• plasma cells
• plasmalemma
• plasma membrane
• plasma membranes